b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65

Analysis

max time kernel
130s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2023 11:40

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General

Target

b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe
Size

7.0MB
MD5

88b3599db217d1ee471f50f8d4e45f41
SHA1

464a9acae2c65f21ecc094ef0085b9d16f973d09
SHA256

b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65
SHA512

73f965b779e9a3fb5005ffdd0d895aed535f03f4369ca3c9b1593d28ffff79083739ddb2bb766255690dea58af70a09a7b194d8b82c1171ba8680af75026a858
SSDEEP

98304:O0fXQs0DabGj5HiocbOiKdErEtZWFU88B2Z0vYVtsEb04kKvo+qtUAEmY0yMG3I8:aDaahiWieEr3UdvqbDo20yMrg

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Documentsssh-YZ18.5.8.6.exe

pid process

796 Documentsssh-YZ18.5.8.6.exe

pid	process
796	Documentsssh-YZ18.5.8.6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows\CurrentVersion\Run	b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Documentsssh-YZ18.5.8.6 = "C:\\ProgramData\\Documentsssh-YZ18.5.8.6\\Documentsssh-YZ18.5.8.6.exe"	b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe

description	pid	process	target process
PID 4324 wrote to memory of 796	4324	b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe	Documentsssh-YZ18.5.8.6.exe
PID 4324 wrote to memory of 796	4324	b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe	Documentsssh-YZ18.5.8.6.exe

C:\Users\Admin\AppData\Local\Temp\b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe
"C:\Users\Admin\AppData\Local\Temp\b66484a5f8b1f41a9508411f2078b8ea69cdb1973635dc3a2a2831ff3767ba65.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4324

C:\ProgramData\Documentsssh-YZ18.5.8.6\Documentsssh-YZ18.5.8.6.exe
C:\ProgramData\Documentsssh-YZ18.5.8.6\Documentsssh-YZ18.5.8.6.exe
2⤵
- Executes dropped EXE
PID:796

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Documentsssh-YZ18.5.8.6\Documentsssh-YZ18.5.8.6.exe
Filesize
757.0MB

MD5
d8b63fd83c93f47b9d8dd4b906dbb308

SHA1
a692b52cbc296e0e794a575fef7884fcffa13692

SHA256
ce5d5b0a08e8bba34d5010665d3c54f094830f2a5262e76544ba7c92cfbaac6f

SHA512
bf6089715db94948e9891db7c72a98b2b2801939bfceedfc30f9b13cce67d187d4db4225a1096fd015cdadad9f969a8d227a9279116c4fbc216dfab40de75be1

Download Submit
C:\ProgramData\Documentsssh-YZ18.5.8.6\Documentsssh-YZ18.5.8.6.exe
Filesize
757.0MB

MD5
d8b63fd83c93f47b9d8dd4b906dbb308

SHA1
a692b52cbc296e0e794a575fef7884fcffa13692

SHA256
ce5d5b0a08e8bba34d5010665d3c54f094830f2a5262e76544ba7c92cfbaac6f

SHA512
bf6089715db94948e9891db7c72a98b2b2801939bfceedfc30f9b13cce67d187d4db4225a1096fd015cdadad9f969a8d227a9279116c4fbc216dfab40de75be1

Download Submit
memory/796-138-0x00007FF6148F0000-0x00007FF614FF0000-memory.dmp

Filesize
7.0MB

Download
memory/4324-133-0x00007FF604160000-0x00007FF604860000-memory.dmp

Filesize
7.0MB

Download